FLIP_SIGN_BIT4     28 third_party/libwebp/dsp/dec_neon.c #define FLIP_SIGN_BIT4(a, b, c, d, s)                                          \
FLIP_SIGN_BIT4    322 third_party/libwebp/dsp/dec_sse2.c #define FLIP_SIGN_BIT4(a, b, c, d) {                                           \